mwifiex: remove unused radio_on variable and macros

The radio_on variable is defined but never used.
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/fw.h

@@ -875,9 +875,6 @@ struct host_cmd_ds_802_11_snmp_mib {
 	u8 value[1];
 } __packed;
 
-#define RADIO_ON                                0x01
-#define RADIO_OFF                               0x00
-
 struct mwifiex_rate_scope {
 	__le16 type;
 	__le16 length;

drivers/net/wireless/mwifiex/init.c

@@ -234,7 +234,6 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
 	memset(adapter->bcn_buf, 0, sizeof(adapter->bcn_buf));
 	adapter->bcn_buf_end = adapter->bcn_buf;
 
-	adapter->radio_on = RADIO_ON;
 	adapter->multiple_dtim = 1;
 
 	adapter->local_listen_interval = 0;	/* default value in firmware

drivers/net/wireless/mwifiex/ioctl.h

@@ -193,7 +193,6 @@ struct mwifiex_bss_info {
 	u32 bss_chan;
 	u32 region_code;
 	u32 media_connected;
-	u32 radio_on;
 	u32 max_power_level;
 	u32 min_power_level;
 	u32 adhoc_state;

drivers/net/wireless/mwifiex/main.h

@@ -611,7 +611,6 @@ struct mwifiex_adapter {
 	u16 curr_tx_buf_size;
 	u32 ioport;
 	enum MWIFIEX_HARDWARE_STATUS hw_status;
-	u16 radio_on;
 	u16 number_of_antenna;
 	u32 fw_cap_info;
 	/* spin lock for interrupt handling */

drivers/net/wireless/mwifiex/sta_ioctl.c

@@ -790,9 +790,6 @@ int mwifiex_get_bss_info(struct mwifiex_private *priv,
 	/* Connection status */
 	info->media_connected = priv->media_connected;
 
-	/* Radio status */
-	info->radio_on = adapter->radio_on;
-
 	/* Tx power information */
 	info->max_power_level = priv->max_tx_power_level;
 	info->min_power_level = priv->min_tx_power_level;